James Franco, the latest poster boy for T Magazine’s home page, is no stranger to method acting. While playing James Dean, the former nonsmoker picked up a pack-a-day habit, and it is rumored that he and Sean Penn considered living together while playing lovers in Gus Van Sant’s Harvey Milk biopic, which is now in post-production. So how did Franco prepare for his role as a chronically stoned marijuana dealer in this summer’s “Pineapple Express”? By acting like a pothead, naturally. Today, in an exclusive video interview, watch Franco talk with Lynn Hirschberg about missing out on Hebrew school, smooching Sean Penn and the therapeutic qualities of comedy. “I was in a little bit of a dark place before ‘Pineapple,’” Franco says. “And then it saved me.”